Reversing alarms for vehicles; suspension shock absorbers for vehicles; vehicle wheel rims; vehicle wheel hubs; electric vehicles; electric scooters for locomotion; motorized scooters for locomotion; motorized bicycles; gear boxes for land vehicles; transmission gears for land vehicles; driving motors for land vehicles; transmission shafts for land vehicles; electric motors for land vehicles; engines for land vehicles; clutches for land vehicles; reduction gears for land vehicles; motorcycles...